101501051601 has 12 divisors (see below), whose sum is σ = 139841203056. Its totient is φ = 65484547560.

The previous prime is 101501051573. The next prime is 101501051677. The reversal of 101501051601 is 106150105101.

It is a happy number.

It is not a de Polignac number, because 101501051601 - 2⁶ = 101501051537 is a prime.

It is a super-2 number, since 2×101501051601² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101501051401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17600491 + ... + 17606256.

It is an arithmetic number, because the mean of its divisors is an integer number (11653433588).

Almost surely, 2^101501051601 is an apocalyptic number.

It is an amenable number.

101501051601 is a deficient number, since it is larger than the sum of its proper divisors (38340151455).

101501051601 is an equidigital number, since it uses as much as digits as its factorization.

101501051601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35206812 (or 35206781 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 101501051601 its reverse (106150105101), we get a palindrome (207651156702).

The spelling of 101501051601 in words is "one hundred one billion, five hundred one million, fifty-one thousand, six hundred one".